Home / 127,519.01-191,271.58-38,765.59

Finding the Fourth Proportional to 127,519.01, 191,271.58 and 38,765.59

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Solution

The fourth proportional to 127,519.01, 191,271.58 and 38,765.59 is: 58,146.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,519.01 : 191,271.58 = 38,765.59 : x
  2. Step 2: Convert to fraction form
    127,519.01/191,271.58 = 38,765.59/x
  3. Step 3: Cross multiply
    127,519.01x = 191,271.58 × 38,765.59
  4. Step 4: Simplify right side
    127,519.01x = 7,414,755,073.84
  5. Step 5: Solve for x
    x = 7,414,755,073.84/127,519.01
  6. Step 6: Final answer
    x = 58,146.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.